/*
 * Copyright 2014-2017 See AUTHORS file.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.kotcrab.vis.ui;

/**
 * Implemented by objects that can acquire VisUI focus.
 * @author Kotcrab
 * @see FocusManager
 */
public interface Focusable {
	/** Called by VisUI when object lost focus. Don not cally manually, see {@link FocusManager}. */
	void focusLost ();

	/** Called by VisUI when object gained focus. Don not cally manually, see {@link FocusManager}. */
	void focusGained ();
}
